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Allowance for Credit Losses - Schedule of Amortized Cost Basis of Loan Modifications to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 4,937	$ 4,734
% of Total Class of Loans and Leases	0.08%	0.08%
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 112	$ 32
Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	3,311	3,453
Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	159	262
Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,355	987
Commercial and Industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 509	$ 628
% of Total Class of Loans and Leases	0.05%	0.07%
Commercial and Industrial | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 89	$ 10
Commercial and Industrial | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	420	463
Commercial and Industrial | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial and Industrial | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	110
Commercial and Industrial | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	45
Commercial and Industrial | Commercial and industrial other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 509	$ 628
% of Total Class of Loans and Leases	0.05%	0.07%
Commercial and Industrial | Commercial and industrial other | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 89	$ 10
Commercial and Industrial | Commercial and industrial other | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	420	463
Commercial and Industrial | Commercial and industrial other | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial and Industrial | Commercial and industrial other | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	110
Commercial and Industrial | Commercial and industrial other | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	45
Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 3,276	$ 3,384
% of Total Class of Loans and Leases	0.09%	0.10%
Commercial Real Estate | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0	$ 0
Commercial Real Estate | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	2,891	2,990
Commercial Real Estate | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial Real Estate | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial Real Estate | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	385	394
Commercial Real Estate | Commercial and industrial other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 3,276	$ 3,384
% of Total Class of Loans and Leases	0.11%	0.12%
Commercial Real Estate | Commercial and industrial other | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0	$ 0
Commercial Real Estate | Commercial and industrial other | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	2,891	2,990
Commercial Real Estate | Commercial and industrial other | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial Real Estate | Commercial and industrial other | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial Real Estate | Commercial and industrial other | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	385	394
Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 1,129	$ 700
% of Total Class of Loans and Leases	0.07%	0.04%
Residential | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0	$ 0
Residential | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	159	152
Residential | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	970	548
Residential | Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 50	$ 40
% of Total Class of Loans and Leases	0.02%	0.02%
Residential | Home equity | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0	$ 0
Residential | Home equity | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential | Home equity | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential | Home equity | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	50	40
Residential | Home equity | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential | Mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 1,079	$ 660
% of Total Class of Loans and Leases	0.08%	0.05%
Residential | Mortgages | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0	$ 0
Residential | Mortgages | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential | Mortgages | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential | Mortgages | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	109	112
Residential | Mortgages | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	970	548
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 23	$ 22
% of Total Class of Loans and Leases	0.03%	0.02%
Consumer | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 23	$ 22
Consumer | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer | Commercial and industrial other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 23	$ 22
% of Total Class of Loans and Leases	0.03%	0.02%
Consumer | Commercial and industrial other | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 23	$ 22
Consumer | Commercial and industrial other | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer | Commercial and industrial other | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer | Commercial and industrial other | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer | Commercial and industrial other | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0	$ 0

X

- Definition

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

+ References

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-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
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